Students read about decibel power gain and decibel voltage gain. Examples are given for each.

Students review logarithms as they pertain to electronics.

Learners read about audiological tests including pure tone testing, air conduction, bone conduction, Speech Reception Threshold, and Speech Discrimination Score. They listen to sounds and words recorded at different decibel levels and see a graphic representation of decibel ranges. A brief review concludes the activity.